Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
This protein carries an Avi tag (Avitag™) at the C-terminus, followed by a polyhistidine tag. This protein undergoes autocatalytic cleavage to release the pro-peptide and mature chain. The pro-peptide and mature chain are associated through non‑covalent interactions and with a calculated MW of 13.8 kDa and 59.9 kDa respectively. The protein migrates as 17 kDa and 60-65 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation. The D374Y mutation results in higher affinity of PCSK9 for LDLR.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Biotinylated Human PCSK9 (D374Y), Avitag,His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
Immobilized Human LDL R, His Tag (Cat. No. LDR-H5224) at 2 μg/mL (100 μL/well) can bind Biotinylated Human PCSK9 (D374Y), Avitag,His Tag (Cat. No. PCY-H82E7) with a linear range of 0.2-8 ng/mL (QC tested).
Immobilized Biotinylated Human PCSK9 (D374Y), Avitag,His Tag (Cat. No. PCY-H82E7) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Evolocumab with a linear range of 0.1-1 ng/mL (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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